Actually, lots of cars do have common GROUNDS to their
speakers.  I just did an install into a 91 Explorer,
and the positives were separate, but the negatives had
to be spliced into a common wire in the harness.
Doesn't really hurt anything unless you are going for
a big installation... but then you should upgrade to a
14-16ga wire anyways.

I've never had a problem splicing into a negative
wire.

I am pretty sure my 87 Van had separate negatives
tho....

Mark

--- Todd Last <Rubatoguy@mindspring.com> wrote:
> Do Vanagons "really" have a common ground to the
> rear speakers?
> At the wiring in my 1988 Van, and in Bently the rear
> speaker grounds are
> separate. Different wires and different color
> stripes.
> Was this a change that was made during production?
>
>
> regards,
>
> Todd
> '88 Westy
>
> Kent Tunks wrote:
>
> >
>
------------------------------------------------------------------------
> >
> > Subject: common speaker wire to rear Vanagon
> speakers
> > Date: Mon, 17 Jul 2000 09:25:58 -0700
> > From: Kent Tunks <ktunks@earthlink.net>
> > To: jlsnyder1@juno.com
> >
> > Quite a few car radios(most in fact) will not
> tolerate a "common" wire
> > for both speakers.
> > Usually,the final power amp transisters will burn
> out in the radio.
> >
> > The solution is to run an another wire to the rear
> speakers,so each
> > speaker has two
> > wires.Also,I would make sure that none of the
> speaker wires are
> > connected to the
> > Vanagon's chassis.In other words,make sure that
> none of the speaker
> > wires is grounded.
> >
> > I have been through this myself.Why VW choose to
> wire Vanagons this way
> > is anybody'
> > guess.
> >
> > good luck,
> >
> > Kent Tunks

=====
Mark
If you're not paranoid, you're not paying attention.

87 Westfalia Gl
84 Scirocco 8v
http://student.fortlewis.edu/~mwmages/

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